/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2020-09-09 forest-rain first version */ #include #include #include /* STM32WL55JC_NUCLEO Color led */ #define LED_BLUE_PIN GET_PIN(B,5) /* defined the LED_BLUE pin: PB5 */ #define LED_GREEN_PIN GET_PIN(B,4) #define LED_RED_PIN GET_PIN(B,3) int main(void) { /* set LED_BLUE pin mode to output */ rt_pin_mode(LED_BLUE_PIN, PIN_MODE_OUTPUT); while (1) { rt_pin_write(LED_BLUE_PIN, PIN_HIGH); rt_thread_mdelay(500); rt_pin_write(LED_BLUE_PIN, PIN_LOW); rt_thread_mdelay(500); } }